Muppet Lab's Intercal ResourcesFeatures the original specification and a sample source code collection. Links to several compilers and to other Intercal-related sites.http://www.muppetlabs.com/~breadbox/intercal/

Revised Reference ManualCompiled from the original specification and from the comments and clarifications by Howell and Raymond.http://www.muppetlabs.com/~breadbox/intercal-man/